80703140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2243}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 194527872

約数和(自身を除く): 113824732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2243, 2570, 3598, 4486, 5140, 7196, 8972, 8995, 11215, 15701, 17990, 22430, 31402, 35980, 44860, 62804, 78505, 157010, 314020, 576451, 1152902, 2305804, 2882255, 4035157, 5764510, 8070314, 11529020, 16140628, 20175785, 40351570, 80703140]

約数ペア:

[(1, 80703140), (2, 40351570), (4, 20175785), (5, 16140628), (7, 11529020), (10, 8070314), (14, 5764510), (20, 4035157), (28, 2882255), (35, 2305804), (70, 1152902), (140, 576451), (257, 314020), (514, 157010), (1028, 78505), (1285, 62804), (1799, 44860), (2243, 35980), (2570, 31402), (3598, 22430), (4486, 17990), (5140, 15701), (7196, 11215), (8972, 8995)]